Solution: "Task Manager has been disabled by your administrator" [Windows Error]
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If you are getting error, "Task Manager has been disabled by your administrator" , when trying to launch task manger on Windows XP machine then here is a simple solution for you.
Solution: Click “Start >> Run” and type following command exactly as given below and click OK.
REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 0 /f
Screenshot: 
Yep. This problem is solved now! In case you any other problem feel free to ask. 
Related: Solution for "Registry editing has been disabled by your administrator" error!
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http://www.techpavan.com/2008/02/16/combat-multiple-virus-problems/
the problem is someone is changing stuff in my pc. i think it’s someone in my msn contact list who does these things.
i fix this problem and after a while it comes again.
btw my “win key” does not work. and this started today for the first time (when the task manager problem reappeared)
nod32,spybot and adaware don’t find anything suspicious
any suggestions?
@marinos
First you better install firewall like zone alarm.
Next also make sure your antivirus is updated.
Thanks! Worked great.
I think some of my daughter’s kiddie software messed up my settings.
The MS help page was no help at all.
@sc0tt
Your welcome buddy..
dear sir i had tried “REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 0 /f”
to solve the task manager disable problem but the problem is not solved.
and REG add
“HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableRegistryTools /t REG_DWORD /d 0 /f ”
i use this command to activate the registry editor, but both problem is remain same.
please provide the solution for the both problem.
thanking you.
Rajesh
@Rajesh
There may be some virus on your system.
hi,
I tried with the code provided by you.
“REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 0 /f”
It has enabled my taskmanager but its not still appearing on the system. It blinks and shine off …Can u suggest me to get rid of this issue
Note: I didnt get any error message at all
Thanks in advance
@Ravikumar
I guess there is some virus on system which need to be fixed using anti-virus only.
hey try this tool
hey try this tool
Download link: http://w14.easy-share.com/1701745526.html
this is a self written tool in C by a guy named Piyush and is extraordinarily functional
i have this around a week ago and i try all thing with my friend from china but nothing change at i make f-desk to my pc but same all thing is same finally we find that not virus it’s Trojan in ram,hard desk,prosers. the solution for this just by same hacker whom make this trojan. we ask that person to stop this in faster time if not mind.
thank you for all
@omar
Actually this happen because of changes in registry. Now WHO changes your registry decides impact of it.
If its a silly program, then above solution is sufficient.
If its virus/trojan, then antivirus like softwares are needed.
In your case, I guess in addition to antivirus a good firewall could help.
Thanks dude… now i’m able to access both… can u tell me why this problem occurs… was it because of a virus… and what did the runline command actually do?
@Rahul Bansal - Rahul.
it’s was virus now i use antivirus kaspersky 2009 it’s good one
thank you for advice.
@Omar
Your welcome bro…
thanks for ur suggestion my problem solved
i’ve tried this method it works, but my pc problem is, when i log off or restart my pc, the registry at Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr value is set back to 1.
what should i do?
@Rahul Bansal - people may be this good news or bad but in any way let me tell this for all, this problem come with transfer file from net or other way’s i had this problem when i used program teamviewer. there is many program like this one so please be careful when use any thing like this best anti virus it’s kaspersky 2009 this one amazing….
@Omar -
There are many reasons which can cause this problem.
Registry hack given above is one of the solution.
Its always better to have a good antivirus. You should definitely use it if task manager keep getting disabled every time you start your computer.
@Rahul Bansal - which kind of anti virus do you use there? now i use kaspersky but this one always ask for key..since i use this anti virus i never face that virus again…
@Omar -
I use NOD32 on every windows machine.
Its just too good.